Assertion and reason type : Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:a) If both assertion and reason are true and the reason is the correct explanation of the assertion.
b) If both the assertion and reason are true but the reason is not the correct explanation of the
assertion.
c) If assertion is true but reason is false.
d) If both assertion and reason are false.
1. Assertion: Heat energy is transferred from one body to another due to a temperature difference
between them.
Reason: Heating a substance causes a rise in temperature.
2. Assertion: Radiation is the fastest mode of transmission of heat.
Reason: Conduction and convection require a medium for transmission of heat whereas heat
radiations can travel through vacuum.
3. Assertion: Woollen clothes keep the body warm in winter.
Reason: Air is a bad conductor of heat.
4. Assertion: It is hotter over the top of a fire than at the same distance on the sides.
Reason: Air surrounding the fire conducts more heat upwards.
5. Assertion: Temperatures near the sea coast are moderate.
Reason: Water has a high thermal conductivity.
Answers
Answered by
1
Answer:
it was the question of whether you are not the question please feel free contact you again
Answered by
2
Explanation:
hlo mate here's your answer
Correct option is
D If both assertion and reason are false.
Lowering of vapour pressure is directly proportional to the number of species present in the solution. Only relative lowering of vapour pressure is a colligative property
I hope its help you mark as brainlist plz
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